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AU Mic b

Orbiting AU Mic, discovered in 2020 (7525) by Transiting Exoplanet Survey Satellite (TESS) via the Transit method.

Planet

Radius4.79 R⊕
Mass8.99 M⊕
Orbital period8.46 Earth days (~0.0 Earth years)
Orbital eccentricity0.070
Equilibrium temperature555 K (282 °C)

Host star — AU Mic

Temperature3540 K (3267 °C)
Radius0.86 R☉
Mass0.64 M☉

Location

Distance from Earth9.7 pc (~32 light-years)
Right ascension / Declination311.2911 / -31.3424

Last refreshed 2026-09-13 from NASA's Exoplanet Archive.